1、Rotating electricalmachines Part 25: Guidance for the design and performance of a.c. motors specificallydesigned for converter supplyDD CLC/TS 60034-25:2008DD CLC/TS 60034-25:2008raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsLic
2、ensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSINational forewordThis Draft for Development is the UK implementation of CLC/TS 60034-25:2008. It supersedes DD CLC/TS 60034-25:2005 which is withdrawn.This publication is not to be regarded as a British S
3、tandard.It is being issued in the Draft for Development series of publications and is ofa provisional nature. It should be applied on this provisional basis, so thatinformation and experience of its practical application can be obtained.Comments arising from the use of this Draft for Development are
4、 requestedso that UK experience can be reported to the European organization responsible for its conversion to a European standard. A review of this will be initiated not later than three years after its publication by theEuropean organization so that a decision can be taken on its status.Notificati
5、on of the start of the review period will be made in an announce-ment in the appropriate issue of Update Standards.According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion intoa European Standard, to extend the lif
6、e of the Technical Specification or towithdraw it. Comments should be sent to the Secretary of the responsible BSITechnical Committee at British Standards House, 389 Chiswick High Road,London W4 4AL.The UK participation in its preparation was entrusted to Technical CommitteePEL/2, Rotating electrica
7、l machinery.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2009ISBN 978 0 580 56364 5ICS 29.160.30BRITISH S
8、TANDARDDD CLC/TS 60034-25:2008Amendments issued since publicationDate Text affectedThis Draft for Development was published under the authority of the Standards Policy and Strategy Committee on 31 March 2009It is identical to IEC/TS 60034-25:2007 .DD CLC/TS 60034-25:2008Licensed Copy: Wang Bin, ISO/
9、EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSITECHNICAL SPECIFICATION CLC/TS 60034-25 SPCIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION December 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komi
10、tee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. CLC/TS 60034-25:2008 E ICS 29.160 Supersedes CLC/TS 60034-25:2005English version Rotatin
11、g electrical machines - Part 25: Guidance for the design and performance of a.c. motors specifically designed for converter supply (IEC/TS 60034-25:2007) This Technical Specification was approved by CENELEC on 2008-07-18. CENELEC members are required to announce the existence of this TS in the same
12、way as for an EN and to make the TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia
13、, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DD CLC/TS 60034-25:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA ST
14、ANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSICLC/TS 60034-25:2008 - 2 - Foreword The text of the Technical Specification IEC/TS 60034-25:2007, prepared by IEC TC 2, Rotating machinery, was circulated for voting in accordance with the Internal Regulations, Part 2, Subclause 11.3.3.3 and was a
15、pproved by CENELEC as CLC/TS 60034-25 on 2008-07-18. This Technical Specification supersedes CLC/TS 60034-25:2005. CLC/TS 60034-25:2008 contains the following significant technical changes with respect to CLC/TS 60034-25:2005: replacement of the original introduction by a shorter introduction; exten
16、sion of the scope to include all converter-fed motors, not just LV-induction motors; minor changes throughout Clauses 4 to 9; addition of Subclauses 4.3.4, 4.3.5, 5.4, 6.2.1, 8.6.3, 8.7 and 8.8, and Figure 7; inclusion of Subclauses 4.4 and 4.5 in Annex A; expansion of original Annex A which becomes
17、 Annex B; re-drafting of Clause 5; upgrading of 6.1.4 to 6.3; removal of noise limits from normative text; addition of reference to EN 60034-9; addition of Annex C. The following date was fixed: latest date by which the existence of the CLC/TS has to be announced at national level (doa) 2009-01-18 A
18、nnex ZA has been added by CENELEC. _ Endorsement notice The text of the Technical Specification IEC/TS 60034-25:2007 was approved by CENELEC as a Technical Specification without any modification. _ DD CLC/TS 60034-25:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncont
19、rolled Copy, (c) BSI- 3 - CLC/TS 60034-25:2008 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cite
20、d applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60034-1 - 1)Rot
21、ating electrical machines - Part 1: Rating and performance EN 60034-1 2004 2)IEC 60034-2 - 1)Rotating electrical machines - Part 2: Methods for determining losses and efficiency of rotating electrical machinery from tests (excluding machines for traction vehicles) EN 60034-2 3)1996 2)IEC 60034-6 - 1
22、)Rotating electrical machines - Part 6: Methods of cooling (IC Code) EN 60034-6 1993 2)IEC 60034-9 (mod) - 1)Rotating electrical machines - Part 9: Noise limits EN 60034-9 2005 2)IEC 60034-14 - 1)Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 m
23、m and higher - Measurement, evaluation and limits of vibration severity EN 60034-14 2004 2)IEC/TS 60034-17 2006 Rotating electrical machines - Part 17: Cage induction motors when fed from converters - Application guide - - IEC/TR 61000-5-1 - 1)Electromagnetic compatibility (EMC) - Part 5: Installati
24、on and mitigation guidelines - Section 1: General considerations - - IEC 61000-5-2 - 1)Electromagnetic compatibility (EMC) - Part 5: Installation and mitigation guidelines - Section 2: Earthing and cabling - - IEC 61800-2 - 1)Adjustable speed electrical power drive systems - Part 2: General requirem
25、ents - Rating specifications for low voltage adjustable frequency a.c. power drive systems EN 61800-2 1998 2)IEC 61800-3 - 1)Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test methods EN 61800-3 2004 2)1)Undated reference. 2)Valid edition at date of issue. 3
26、)EN 60034-2 includes supplement A:1974 to IEC 60034-2:1972. It is partly superseded by EN 60034-2-1:2007, which is based on IEC 60034-2-1:2007 DD CLC/TS 60034-25:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSICLC/TS 60034-25:2008 - 4 - Publicat
27、ion Year Title EN/HD Year IEC 61800-5-1 - 1)Adjustable speed electrical power drive systems - Part 5-1: Safety requirements - Electrical, thermal and energy EN 61800-5-1 2007 2)IEC 61800-5-2 - 1)Adjustable speed electrical power drive systems - Part 5-2: Safety requirements - Functional EN 61800-5-2
28、 2007 2)DD CLC/TS 60034-25:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSI 2 TS 60034-25 IEC:2007(E) CONTENTS FOREWORD.6INTRODUCTION.81 Scope.92 Normative references .93 Terms and definitions .104 System characteristics114.1 General .114.2 Syst
29、em information114.3 Torque/speed considerations.124.4 Motor requirements .165 Losses and their effects (for induction motors fed from U-converters).185.1 General .185.2 Location of the additional losses due to converter supply and ways to reduce them 185.3 Converter features to reduce the motor loss
30、es 185.4 Use of filters to reduce additional motor losses due to converter supply 205.5 Temperature and life expectancy.205.6 Determination of motor efficiency 216 Noise, vibration and torsional oscillation.216.1 Noise 216.2 Vibration (excluding torsional oscillation).246.3 Torsional oscillation 257
31、 Motor insulation electrical stresses.257.1 General .257.2 Causes257.3 Winding electrical stress277.4 Insulation stress limitation .297.5 Responsibilities .297.6 Converter characteristics.307.7 Methods of reduction of voltage stress 317.8 Motor choice .318 Bearing currents.328.1 Sources of bearing c
32、urrents in converter-fed motors328.2 Generation of high-frequency bearing currents 328.3 Common mode circuit348.4 Stray capacitances 348.5 Consequences of excessive bearing currents 368.6 Preventing high-frequency bearing current damage.368.7 Additional considerations for motors fed by high voltage
33、U-converters 388.8 Bearing current protection for motors fed by high-voltage current-source converters (I-converters) .399 Installation399.1 Earthing, bonding and cabling .399.2 Reactors and filters .459.3 Integral motors (integrated motor and drive modules)46DD CLC/TS 60034-25:2008Licensed Copy: Wa
34、ng Bin, ISO/EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSITS 60034-25 IEC:2007(E) 3 10 Additional considerations for permanent magnet (PM) synchronous motors fed by U-converters.4710.1 System characteristics 4710.2 Losses and their effects 4710.3 Noise, vibration and torsiona
35、l oscillation4710.4 Motor insulation electrical stresses4710.5 Bearing currents4810.6 Particular aspects of permanent magnets 4811 Additional considerations for cage induction motors fed by high voltage U-converters 4811.1 General .4811.2 System characteristics 4811.3 Losses and their effects 5011.4
36、 Noise, vibration and torsional oscillation5011.5 Motor insulation electrical stresses5111.6 Bearing currents5312 Additional considerations for synchronous motors fed U-converters5312.1 System characteristics 5312.2 Losses and their effects 5312.3 Noise, vibration and torsional oscillation5312.4 Mot
37、or insulation electrical stresses5312.5 Bearing currents5313 Additional considerations for cage induction motors fed by block-type I-converters .5413.1 System characteristics 5413.2 Losses and their effects 5513.3 Noise, vibration and torsional oscillation5513.4 Motor insulation electrical stresses5
38、613.5 Bearing currents5613.6 Additional considerations for six-phase cage induction motors 5614 Additional considerations for synchronous motors fed by LCI .5614.1 System characteristics 5614.2 Losses and their effects 5814.3 Noise, vibration and torsional oscillation5814.4 Motor insulation electric
39、al stresses5814.5 Bearing currents5815 Additional considerations for pulsed I-converters (PWM CSI) feeding induction motors5815.1 System characteristics 5815.2 Losses and their effects 5915.3 Noise, vibration and torsional oscillation5915.4 Motor insulation electrical stresses5915.5 Bearing currents
40、5916 Other motor/converter systems.6016.1 Drives supplied by cyclo-converters 6016.2 Wound rotor induction (asynchronous) machines supplied by I-converters in the rotor circuit 6116.3 Wound rotor induction (asynchronous) machines supplied by U-converters in the rotor circuit 61DD CLC/TS 60034-25:200
41、8Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSI 4 TS 60034-25 IEC:2007(E) Annex A (normative) Converter characteristics 63Annex B (informative) Converter output spectra.67Annex C (informative) Noise increments due to converter supply.70Bibliograph
42、y71Figure 1 Torque/speed capability .13Figure 2 Converter output current 13Figure 3 Converter output voltage/frequency characteristics 15Figure 4 Example of measured losses PLas a function of frequency f and supply type.19Figure 5 Additional losses PLof a motor (same motor as Figure 4) due to conver
43、tersupply, as a function of pulse frequency fp, at 50 Hz rotational frequency .20Figure 6 Fan noise as a function of fan speed22Figure 7 Vibration modes .23Figure 8 Typical surges at the terminals of a motor fed from a PWM converter 26Figure 9 Typical voltage surges on one phase at the converter and
44、 at the motor terminals (2 ms/division) .26Figure 10 Individual short rise time surge from Figure 9 (1 s/division) 27Figure 11 Definition of the peak rise time trof the voltage at the motor terminals .28Figure 12 First turn voltage as a function of the peak rise time.28Figure 13 Discharge pulse occu
45、rring as a result of converter generated voltage surge at motor terminals (100 ns/division) 29Figure 14 Limiting curves of impulse voltage Upk, measured between two motor phase terminals, as a function of the peak rise time tr.30Figure 15 Possible bearing currents.33Figure 16 Motor capacitances 35Fi
46、gure 17 Bearing pitting due to electrical discharge (pit diameter 30 m to 50 m) .36Figure 18 Fluting due to excessive bearing current 36Figure 19 Bonding strap from motor terminal box to motor frame .41Figure 20 Examples of shielded motor cables and connections 42Figure 21 Parallel symmetrical cabli
47、ng of high-power converter and motor.43Figure 22 Converter connections with 360 HF cable glands showing the Faraday cage .43Figure 23 Motor end termination with 360 connection .44Figure 24 Cable shield connection .44Figure 25 Characteristics of preventative measures .46Figure 26 Schematic of typical
48、 three-level converter 49Figure 27 Output voltage and current from typical three-level converter .49Figure 28 Typical first turn voltage U (as a percentage of the line-to-ground voltage) as a function of du/dt 51Figure 29 Medium-voltage and high-voltage form-wound coil insulating and voltage stress
49、control materials.52Figure 30 Schematic of block-type I-converter .54Figure 31 Current and voltage waveforms of block-type I-converter .54DD CLC/TS 60034-25:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 08/07/2009 06:59, Uncontrolled Copy, (c) BSITS 60034-25 IEC:2007(E) 5 Figure 32 Schematic and voltage and current waveforms for a synchronous motor supplied from an I-converter .57Figure 33 Schematic of pulsed I-converter .58F
